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Finding the Fourth Proportional to 33,620.78, 50,407.76 and 14,890.64

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Solution

The fourth proportional to 33,620.78, 50,407.76 and 14,890.64 is: 22,325.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,620.78 : 50,407.76 = 14,890.64 : x
  2. Step 2: Convert to fraction form
    33,620.78/50,407.76 = 14,890.64/x
  3. Step 3: Cross multiply
    33,620.78x = 50,407.76 × 14,890.64
  4. Step 4: Simplify right side
    33,620.78x = 750,603,807.37
  5. Step 5: Solve for x
    x = 750,603,807.37/33,620.78
  6. Step 6: Final answer
    x = 22,325.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.